Starflower

Trientalisborealis

Genus
Trientalis (try-en-TAY-lis)
Species
borealis (bor-ee-AL-is)
Synonym
Trientalis americana
Sun Exposure
Partial to Full Shade
Foliage
Grown for foliage
Herbaceous
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
3-6 in. (7-15 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Bulbs
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

East Millinocket, Maine

Bridgewater, Massachusetts

Northfield, Massachusetts

Sanford, Michigan

Brainerd, Minnesota

Portugal Cove-St. Philip's, Newfoundland and Labrador

Wilkes Barre, Pennsylvania

Leesburg, Virginia

Woodinville, Washington

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Gardener's Notes:

2
positives
0
neutral
0
negative
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A
Northfield, MA (Zone 5a) | May 2004 | positive

I agree with Propagator on all except bloom time here in 5a is always in May. It has a nice white bloom and is native throughout my woods...Read More

P
| May 2002 | positive

The Starflower is a very good shade garden groundcover. It thrives well in a mossy forest floor setting and appears to spread readily tho...Read More

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